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Boeing Aircraft Designation  
User currently offlineA40-TY From United Arab Emirates, joined Apr 2000, 143 posts, RR: 0
Posted (15 years 1 week 5 days 14 hours ago) and read 3557 times:

What designator code does Boeing assign to its own 'House' aircraft?

I know that its airline customer codes include -36 for British Airways, -22 for United, -51 for Northwest, -23 for American, and so on, but what code does it assign to itself?

Thanks in advance.

I love it when a plan comes together
8 replies: All unread, jump to last
User currently offlineFlight152 From United States of America, joined Nov 2000, 3505 posts, RR: 6
Reply 1, posted (15 years 1 week 5 days 11 hours ago) and read 3492 times:

I don't see any pattern the first 707 the "Dash 80" was N70700, Boeing 737-300 prototype N73700 and a 777 prototype N7771, 747 prototype N7470. Not unless I'm missing something

User currently offlineCXA330-342 From United States of America, joined Feb 2000, 398 posts, RR: 0
Reply 2, posted (15 years 1 week 5 days 10 hours ago) and read 3476 times:

If I'm not mistaken, -*20 is Boeing's code for "house" airliners.

User currently offlineA40-TY From United Arab Emirates, joined Apr 2000, 143 posts, RR: 0
Reply 3, posted (15 years 1 week 4 days 20 hours ago) and read 3457 times:

Thanks CX A330-342, I thought that Boeing's own designation would have been around that number somewhere. It could never have been -21 because that was Pan Am's customer code.

I love it when a plan comes together
User currently offlineCXA330-342 From United States of America, joined Feb 2000, 398 posts, RR: 0
Reply 4, posted (15 years 1 week 4 days 9 hours ago) and read 3446 times:

No problem. I just got it out of the Airliner World special on Boeing aircraft.

User currently offlinePerthGloryfan From Australia, joined Oct 2000, 751 posts, RR: 0
Reply 5, posted (15 years 1 week 2 days 21 hours ago) and read 3411 times:

The original Boeing 707 base versions offered to customers were:
707-320 (don't know what happened to -220)
which is where the Boeing house code of 20 originates.

Pan Am's 707s, being the first customer, were therefore the -121 (120+1) and -321 (320+1).
Qantas, the 18th customer, had -138 (120+18) and -338.

With the 727, and subsequent models however, the base versions were marketed as -100, -200 etc.
But to eliminate any confusion I guess the original customer designations were retained; ie, 21 for Pan Am, 38 for Qantas, etc.


User currently offlineSabenapilot From Belgium, joined Feb 2000, 2748 posts, RR: 46
Reply 6, posted (15 years 1 week 2 days 21 hours ago) and read 3416 times:

The Boeing 707-200 is called B720 by Boeing...

User currently offlineMusang From United Kingdom, joined Apr 2001, 920 posts, RR: 6
Reply 7, posted (15 years 1 week 2 days 19 hours ago) and read 3403 times:

Hi PGF - the 707-200 was an increased thrust version with 15,800 lb P+W JT4s, which were basically the civil version of the J75 engine. First flown June 11 '59, into service Dec. 20 '59. Only customer was Braniff with 5, so they were -227s, one of which was crashed on a customer acceptance flight. No other interest because the airlines were happy to wait for the turbofan version while Braniff needed some short term that could deal with the hot and high conditions on their South American routes. The other 4 went to BWIA then various other operators before being broken up between '77 and '84.

Re. the customer suffix system, after 21 to 99 were used, 01 to 19 came next then the alphanumerics. A0 to Z9, then 1A to 9Z, then double letters, AA to ZZ eventually. Not all intermediate combinations are used, for instance its A0, A1, A3, A4, A6, no A2 or A5, which I believe means there once was a customer assigned code A2 (or whatever) who then cancelled.

Regards - Musang.

User currently offlineB747skipper From , joined Dec 1969, posts, RR:
Reply 8, posted (15 years 3 days 9 hours ago) and read 3390 times:

Taking the 707s, Boeing originally adopted "20" as a generic (non airline assigned) type, i.e. a 707-320 (as compared to a 707-328 for Air France).
Later, with the 727 and later, their generic types where designated i.e. as 100, 200s etc... so it is assumed that "00" is Boeing customer designation as well for airplanes build after the 707s...
Note that the "airline customer designation" is remaining with airplanes, no matter which airline reallay takes first delivery... i.e., some 707-331 were build for TWA but sold and delivered to PanAm and later times many such situations occured, i.e.Varig took delivery of 747-2L5Bs intended for Lybia... yet Varig designator is "41"...

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